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EN 1.4805 Stainless Steel vs. C72900 Copper-nickel

EN 1.4805 stainless steel belongs to the iron alloys classification, while C72900 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4805 stainless steel and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 9.0
6.0 to 20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 490
870 to 1080
Tensile Strength: Yield (Proof), MPa 250
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1000
210
Melting Completion (Liquidus), °C 1390
1120
Melting Onset (Solidus), °C 1350
950
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 14
29
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
39
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 4.7
4.6
Embodied Energy, MJ/kg 66
72
Embodied Water, L/kg 180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 150
2030 to 3490
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
27 to 34
Strength to Weight: Bending, points 18
23 to 27
Thermal Diffusivity, mm2/s 3.7
8.6
Thermal Shock Resistance, points 11
31 to 38

Alloy Composition

Carbon (C), % 0.2 to 0.5
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0
74.1 to 78
Iron (Fe), % 44.9 to 56.8
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3